holamynameis holamynameis

25-03-2021
Mathematics

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Find the value of x.

Find the value of x class=

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yourpunkin05 yourpunkin05

25-03-2021

Answer:

4. x=10

5. x=15

6. x=20

7. x=4

Step-by-step explanation:

4. 50+4x=90

90-50=40

40/4=10

x=10

5. (2x+60)+6x=180

6x+2x=8x

8x+60=180

180-60=120

8x=120

120/8=15

x=15

6. 3x+30=90

90-30=60

60/3=20

x=20

7. (8x+120)+7x=180

8x+7x=15x

15x+120=180

180-120=60

15x=60

60/15=4

x=4

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